test/compiler/codegen/LoadWithMask2.java

Mon, 28 Jul 2014 15:06:38 -0700

author
fzhinkin
date
Mon, 28 Jul 2014 15:06:38 -0700
changeset 6997
dbb05f6d93c4
parent 0
f90c822e73f8
child 7787
1ec24746bb40
permissions
-rw-r--r--

8051344: JVM crashed in Compile::start() during method parsing w/ UseRTMDeopt turned on
Summary: call rtm_deopt() only if there were no compilation bailouts before.
Reviewed-by: kvn

aoqi@0 1 /*
aoqi@0 2 * Copyright (c) 2014, Oracle and/or its affiliates. All rights reserved.
aoqi@0 3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
aoqi@0 4 *
aoqi@0 5 * This code is free software; you can redistribute it and/or modify it
aoqi@0 6 * under the terms of the GNU General Public License version 2 only, as
aoqi@0 7 * published by the Free Software Foundation.
aoqi@0 8 *
aoqi@0 9 * This code is distributed in the hope that it will be useful, but WITHOUT
aoqi@0 10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
aoqi@0 11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
aoqi@0 12 * version 2 for more details (a copy is included in the LICENSE file that
aoqi@0 13 * accompanied this code).
aoqi@0 14 *
aoqi@0 15 * You should have received a copy of the GNU General Public License version
aoqi@0 16 * 2 along with this work; if not, write to the Free Software Foundation,
aoqi@0 17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
aoqi@0 18 *
aoqi@0 19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
aoqi@0 20 * or visit www.oracle.com if you need additional information or have any
aoqi@0 21 * questions.
aoqi@0 22 */
aoqi@0 23
aoqi@0 24 /*
aoqi@0 25 * @test
aoqi@0 26 * @bug 8031743
aoqi@0 27 * @summary loadI2L_immI broken for negative memory values
aoqi@0 28 * @run main/othervm -server -Xbatch -XX:-TieredCompilation -XX:CompileCommand=compileonly,*.foo* LoadWithMask2
aoqi@0 29 *
aoqi@0 30 */
aoqi@0 31 public class LoadWithMask2 {
aoqi@0 32 static int x;
aoqi@0 33 static long foo1() {
aoqi@0 34 return x & 0xfffffffe;
aoqi@0 35 }
aoqi@0 36 static long foo2() {
aoqi@0 37 return x & 0xff000000;
aoqi@0 38 }
aoqi@0 39 static long foo3() {
aoqi@0 40 return x & 0x8abcdef1;
aoqi@0 41 }
aoqi@0 42
aoqi@0 43 public static void main(String[] args) {
aoqi@0 44 x = -1;
aoqi@0 45 long l = 0;
aoqi@0 46 for (int i = 0; i < 100000; ++i) {
aoqi@0 47 l = foo1() & foo2() & foo3();
aoqi@0 48 }
aoqi@0 49 if (l > 0) {
aoqi@0 50 System.out.println("FAILED");
aoqi@0 51 System.exit(97);
aoqi@0 52 }
aoqi@0 53 System.out.println("PASSED");
aoqi@0 54 }
aoqi@0 55 }

mercurial